Instruction 11-6
as Part of an Evaluation Program,a Sporting Goods

question 33

Short Answer

Instruction 11-6
As part of an evaluation program,a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles.She recorded three trials of each brand and determined their maximum downhill speeds.The results are presented in kilometres per hour in the table below.
$\begin{array}{lcccc}\text { Trial } & \frac{\text { Barth }}{} & \frac{\text { Tomado }}{} & \frac{\text { Reiser }}{} & \frac{\text { Shaw }}{} \\1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$
-Referring to Instruction 11-6,the within group variation or SSW is ________.

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Definitions:

Postsynaptic Membrane

A specialized area of a neuron's cell membrane that receives neurotransmitters from another neuron at a synapse.

Electrical Synapses

Rapid, bidirectional connections between neurons mediated through gap junctions, allowing direct transmission of electrical signals.

Ion Channels

Proteins that form pores in cell membranes, allowing the selective passage of ions across the membrane and influencing the cell's electrical charge and signaling.